CARR, John Dickson ("Carter Dickson"). A collection of the first six novels of the Sir Henry Merrivale series and the first uses of the Carter Dickson pseudonym, comprising: The Plague Court Murders. 1934. In a facsimile dust jacket. -- The White Priory Murders. 1934. -- The Red Widow Murders. 1935. -- The Unicorn Murders. 1935. -- The Punch and Judy Murders. 1937. -- The Peacock Feather Murders. 1937. Together 6 volumes, published in New York by William Morrow, FIRST EDITIONS, 8o, original cloth; pictorial DUST JACKETS except as noted, very good condition. (6)